一道概率题,看有没有人能做出来设某仪器主要由A,B,C三个元件组成.一个宇宙射线的粒子击中元件A,B,C的概率分别为 0.1,0.2,0.3,元件被击中后就会发生故障.当元件A发生故障或元件BC都发生故障
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![一道概率题,看有没有人能做出来设某仪器主要由A,B,C三个元件组成.一个宇宙射线的粒子击中元件A,B,C的概率分别为 0.1,0.2,0.3,元件被击中后就会发生故障.当元件A发生故障或元件BC都发生故障](/uploads/image/z/13905190-46-0.jpg?t=%E4%B8%80%E9%81%93%E6%A6%82%E7%8E%87%E9%A2%98%2C%E7%9C%8B%E6%9C%89%E6%B2%A1%E6%9C%89%E4%BA%BA%E8%83%BD%E5%81%9A%E5%87%BA%E6%9D%A5%E8%AE%BE%E6%9F%90%E4%BB%AA%E5%99%A8%E4%B8%BB%E8%A6%81%E7%94%B1A%2CB%2CC%E4%B8%89%E4%B8%AA%E5%85%83%E4%BB%B6%E7%BB%84%E6%88%90.%E4%B8%80%E4%B8%AA%E5%AE%87%E5%AE%99%E5%B0%84%E7%BA%BF%E7%9A%84%E7%B2%92%E5%AD%90%E5%87%BB%E4%B8%AD%E5%85%83%E4%BB%B6A%2CB%2CC%E7%9A%84%E6%A6%82%E7%8E%87%E5%88%86%E5%88%AB%E4%B8%BA+0.1%2C0.2%2C0.3%2C%E5%85%83%E4%BB%B6%E8%A2%AB%E5%87%BB%E4%B8%AD%E5%90%8E%E5%B0%B1%E4%BC%9A%E5%8F%91%E7%94%9F%E6%95%85%E9%9A%9C.%E5%BD%93%E5%85%83%E4%BB%B6A%E5%8F%91%E7%94%9F%E6%95%85%E9%9A%9C%E6%88%96%E5%85%83%E4%BB%B6BC%E9%83%BD%E5%8F%91%E7%94%9F%E6%95%85%E9%9A%9C)
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